What are scripts and how do you use them?

https://gyazo.com/990fd44d1a7433642312df2032d45960 The timeline and item progress are scripts. You can see the list of scripts for Wanikani in this thread /t/The-New-And-Improved-List-Of-API-and-Third-Party-Apps/7694/1.

The only thing you have to do is download the plugin for your browser so you can start using them. For Chrome, this is Tampermonkey. After you’ve installed the plugin in your browser, go to the list, select a script you think would add nicely for your convenience or study, install them by going to the provided link in the thread OP, and you’re good to go…